Zobrazeno 1 - 10
of 42
pro vyhledávání: '"V. Verdingh"'
Autor:
V. Verdingh, A. Michiels
Publikováno v:
Journal of Nuclear Materials. 153:96-101
The modified Davies and Gray method is frequently used for the potentiometric titration of uranium. It is based upon the reduction of U(VI) to U(IV) with a reductant (e.g. Fe+ +) followed by a selective oxidation of the excess of reductant and subseq
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::04dd3a312cb68b93b0675ec855396266
https://doi.org/10.1016/0022-3115(88)90199-7
https://doi.org/10.1016/0022-3115(88)90199-7
Publikováno v:
Journal of Radioanalytical and Nuclear Chemistry Articles. 113:259-266
Instrumental photon activation analysis can be used advantageously for the homogeneity control and the determination of uranium concentration in minerals and ores to be certified as uranium reference materials. The homogeneity control of high content
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::94bfcc9d1903eb49f379fd35f2d39525
https://doi.org/10.1007/bf02036066
https://doi.org/10.1007/bf02036066
Publikováno v:
Journal of Radioanalytical Chemistry. 60:443-451
A large number of toxic elements, including Th and U, in Scheldt and NBS river sediments, have been determined non-destructively by high energy photon activation. The length of irradiation varies between 1.5 hours for short lived-nuclides and 7–18
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5926395b93d6b4ae4c168607beb4f4d9
https://doi.org/10.1007/bf02518904
https://doi.org/10.1007/bf02518904
Publikováno v:
Journal of Radioanalytical Chemistry. 50:185-194
An installation for photon activation analysis recently completed at CBNM, Geel, is described. Synthetic standards prepared from pure graphite are used for the non-destructive determination of lanthanides in boron carbide. The induced activities of15
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0cf9211e970d493b2c769ee349e2a384
https://doi.org/10.1007/bf02519956
https://doi.org/10.1007/bf02519956
Publikováno v:
Physical Review C. 13:315-320
Combining different methods, all based on the measurement of the specific activity of a large number of samples from two different batches of uranium oxides, both enriched to nearly 100% $^{233}\mathrm{U}$, a new determination of the half-life of $^{
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::60aa59cda6759f550090054e55aefcf4
https://doi.org/10.1103/physrevc.13.315
https://doi.org/10.1103/physrevc.13.315
Publikováno v:
International Journal of Environmental Analytical Chemistry. 16:227-236
Instrumental photon activation analyses can present two aspects: the bulk determination of trace elements with good sensitivity in the sub-ppm levels for some elements and the homogeneity control of reference materials with high precision. For the no
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8e66c28ccefaf29957e8f92e29d2e84d
https://doi.org/10.1080/03067318308078364
https://doi.org/10.1080/03067318308078364
Publikováno v:
Nuclear Instruments and Methods. 93:205-209
A description of the preparation of samples for several types of neutron cross section measurements is given. The experimental set-up including the chemical treatment, the purification, the preparation of the samples, the vaccum canning and the decon
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f1afe8b557b3c7ce322df69a6bd7ce19
https://doi.org/10.1016/0029-554x(71)90464-2
https://doi.org/10.1016/0029-554x(71)90464-2
Autor:
V. Verdingh
Publikováno v:
Nuclear Instruments and Methods. 102:431-434
The preparation of thick isotope samples for several types of neutron cross-section measurements is described. In the ideal case, these kinds of measurements are performed on metallic samples. If it is not possible to use the isotope in its metallic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5430e7b8e2c64ae011e0070205dd53f8
https://doi.org/10.1016/0029-554x(72)90627-1
https://doi.org/10.1016/0029-554x(72)90627-1
Autor:
V. Verdingh, K.F. Lauer
Publikováno v:
Analytica Chimica Acta. 33:469-480
Differential polarographic determination of the europium content of solutions of LiI and LiCl can be made within the concentration ranges of 50 to 500μg Eu/g with varying presion. Comparative techniques can give precisions of the order of 0.1% or ev
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::37cd177242bf053d1966340943f07014
https://doi.org/10.1016/s0003-2670(01)84928-x
https://doi.org/10.1016/s0003-2670(01)84928-x
Autor:
K.F. Lauer, V. Verdingh
Publikováno v:
Nuclear Instruments and Methods. 21:161-166
The preparation of thin films is an important requirement for many measurements in nuclear physics. If the required surface is large, the problem is furthermore complicated. A machine and a technique are described which allow to prepare samples with
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3dbf058624bb5bf91fc21543db0b6b61
https://doi.org/10.1016/0029-554x(63)90103-4
https://doi.org/10.1016/0029-554x(63)90103-4